
RFX Pro Series Armalite Sprocket - 520 / 49 Teeth (FXRS20-49ALBK)
Designed for off-road and competition, the RFX Pro Series Armalite composite sprocket combines a machined aluminum core and a high-density steel outer ring for an optimal balance of lightness and strength. Developed and tested by international racing teams, it is aimed at motocross riders seeking performance and reliability on a daily basis.
Compatibility: ideal for motocross machines (e.g., Kawasaki KX 450 X / KX 250 X / KX 250 2026). For installation, follow manufacturer torque specifications, clean the hub, and use thread locker (such as blue Loctite) on the screws. Check alignment and chain tension after installation.